Home > Products > Milled Tooth Bit > 4 3/4" steel tooth bit,china supplier,drilling tools for groundwater
4 3/4" steel tooth bit,china supplier,drilling tools for groundwater
- 100 Piece / Pieces per Month
- Tianjin seaport or Beijing airport
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Product Details
Place of Origin: | Hebei, China | Brand Name: | Kingdeam&SRF | Model Number: | various |
Type: | Other, Center Drill Bit, Steel tooth bit | Material: | Tungsten Carbide | Use: | Other, Well Drilling, Well Drilling |
Product Description
Specifications
SpecificationsAPI&ISO certified
size3inch to26inch
OQS:SGS.BV.FORENERGY...
Technical specifications:
Model | STEEL TOOTH BIT |
IADC CODE | 116 117 12 6127 136 137 216 217 226 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347 |
available sizes: | From 2 7/8 to 26” larger sizes for hole opener bit ,reamer bit |
advantage | most favourable price and best qualtity |
bearing type: | sealed bearing and non-sealed bearing HJ(metal sealed journal bearing) HA (rubber sealed journal bearing aircooled bearing type |
Formation or layer | soft ,medium soft ,hard,medium hard,very hard formation |
Button size (extra features) | Button bit,saw teeth 1) Y-Conical teeth 2) X-chisel teeth 2) 3)K- wide teeth 4)G- Gague protection |
Material | Tungsten Carbide |
Packing | fumigation free of wooden case |
Payment terms | T/T(30% downpayment and 70%balance before shipping.) |
Delivery terms | By sea or by air |
Delivery time | Within 7-15 work days |
Main market | Canada, USA,Middle east ,Africa,Europe |
Cutting Structure
The durability of premium tungsten carbide insert is improved with new formulas and new techniques and new techniques. The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces.
Bearing Structure
Non-sealed roller bearing. Drilling fluid can enter the bearing directly for cooling; Balls lock the cone which reduces the probability of cone ropping to minimum.
Product Application
It is suitable for the shallow well, water well and geothermal well.
Recommended Drilling Parameter
IADC | WOB (KN/mm) | RPM (r/min) | Applicable Formations |
111 | 0.3~0.75 | 200~80 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
121 | 0.3~0.85 | 200~80 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
131 | 0.3~0.95 | 180~80 | Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
211 | 0.35~0.95 | 180~80 | Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
241 | 0.35~0.95 | 180~70 | Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc |
321 | 0.4~1.0 | 150~70 | Hard semi-abrasive formations, such as abrasive shale,limestone,sand stone,dolomite, hard gypsum,marble,etc. |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously.
|
Sealed Steel Tooth Tricone Bit
Cutting Structure
The wear-resistance of teeth is enhanced with premium tungsten carbide hardfacing on the tooth surfaces for steel tooth bit.
Gauge Structure
Multiple gauge protection with gauge trimmers on the heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.
Bearing Structure
High precision roller bearing with two thrust faces. Ball lock the cone.Thrust faces hardface with wear resistant alloy. Abrasion resistance and seizure resistance of the bearing are improved.
Seal and Lubrication
Premium O-ring, Optimal seal compression and curved seal structure can enhance the seal performance. The pressure compensator system and advanced grease can greatly increase the lubricating reliability.
Product Application
It is suitable for various formations, and achieves high RPM under low to medium WOB application
Recommended Drilling Parameter
business
If you are interested in our products, please give me a reply and we will quote you the best price. Remember to specify the following on enquiry:
* Diameter
* IADC code
* Thread Connection
* Bearing structure
* Drilling formation
For more detailed specifications or catalog please feel free to contact us.
Contact Us
- Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
- Contact nameLeia Sun
- Phone0086-317-3223932
- AddressJunziguan Village, Shijingcun Township, Hejian
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